Viknesh Vijayenthiran July 30, 2008 Comment Now! Porsche will add direct-fuel-injection technology to its high-performance Turbo and GT3 and GT2 variants of the 911 Coupe as part of the mid-cycle ...

It may look like the old Porsche 911 Turbo, but this newest version of the 997 Turbo has been upgraded with the Carrera's 3.8-liter direct-injection mill. Can this old dog learn a new trick? Porsche ...

Viknesh Vijayenthiran March 14, 2007 Comment Now! Researchers at MIT have come up with a new engine design that improves the fuel efficiency and output of today’s powerplants but at a fraction of the ...

At the recent Tokyo Auto Salon, Toyota motorsports partner GRMN worked with the Japanese auto giant to introduce a turbocharged version of the popular Vitz (Yaris) compact. While the car on exhibit ...

The basic difference between direct injection (DI) and the port-fuel injection (PFI) systems we've become familiar with since the mid-1980s is that PFI sprays fuel into the intake manifold (behind ...

For years, Toyota Motor Corp. has put hybrids at the center of its powertrain-technology strategy, all but oblivious to the rapid fuel-economy advancements rivals have made in the humble gasoline ...

Most new cars are turbocharged, direct injected, or both, which means that these fuel-saving and performance-enhancing technologies will soon become even more common in the used car marketplace. Both ...